THOMSON 32LM051B6 Service Manual Download Page 27

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32’’ LCD TV Color Monitor Thomson 32LM051B6

5.2 Can not start (LED indicator yellow)

Repair the key board

Check 5V_SB

Return to “5.1”

Check 3.3V_SB

Replace U701

Check PWR_ON signal

Check Q704, Q705, Q706, Q709

Replace Q704 or Q705 or Q706 or Q709

Check U32, U21

Replace U32 or U21

Check I

C communication

Check PFC circuit

Replace IC901 or Q901

Check main board power supply

Check key board

Check Panel inverter board

Replace panel

Summary of Contents for 32LM051B6

Page 1: ...oard 70 8 4 Key Board 71 8 5 IR Board 71 8 6 DC DC Board 71 8 7 Headphone Board 72 9 Block Diagram 73 9 1 Main Board 73 9 2 Power Board 74 10 Exploded View 75 11 Schematic Diagram 76 11 1 Main Board 7...

Page 2: ...32 LCD TV Color Monitor Thomson 32LM051B6 2 Revision List Version Release Date Revision Instructions TPV Model A00 Jul 05 2006 Initial Release E326MTNBD4TENP...

Page 3: ...ponse Time 8ms View Angle CR 20 H 176 V 176 CR 20 Display colors 16 7M Lamp Type Life 60000 hr type LCD Panel Color Temperature Cool Warm Video Inputs CVBS S Video Component SCART RGB Composite HDMI V...

Page 4: ...32 LCD TV Color Monitor Thomson 32LM051B6 4 2 Operations Instructions 2 1 The Use Of Remote Control...

Page 5: ...32 LCD TV Color Monitor Thomson 32LM051B6 5 2 2 The Use Of Teletext...

Page 6: ...32 LCD TV Color Monitor Thomson 32LM051B6 6 2 3 Front Panel Control Knobs...

Page 7: ...32 LCD TV Color Monitor Thomson 32LM051B6 7 2 4 OSD Operations...

Page 8: ...32 LCD TV Color Monitor Thomson 32LM051B6 8...

Page 9: ...32 LCD TV Color Monitor Thomson 32LM051B6 9...

Page 10: ...32 LCD TV Color Monitor Thomson 32LM051B6 10...

Page 11: ...32 LCD TV Color Monitor Thomson 32LM051B6 11...

Page 12: ...32 LCD TV Color Monitor Thomson 32LM051B6 12...

Page 13: ...32 LCD TV Color Monitor Thomson 32LM051B6 13...

Page 14: ...32 LCD TV Color Monitor Thomson 32LM051B6 14...

Page 15: ...32 LCD TV Color Monitor Thomson 32LM051B6 15 2 5 How To Connect...

Page 16: ...32 LCD TV Color Monitor Thomson 32LM051B6 16...

Page 17: ...32 LCD TV Color Monitor Thomson 32LM051B6 17...

Page 18: ...32 LCD TV Color Monitor Thomson 32LM051B6 18...

Page 19: ...o ensure firm grounding The connector information is as follow 1 6 11 15 5 10 15 Pin Color Display Signal Cable Pin No Description 1 Red Video 2 Green Video 3 Blue Video 4 Not Used 5 GROUND 6 Red Grou...

Page 20: ...al 4 3 FULL 16 9 720 400 31 47 70 08 NEG POS YES YES YES YES 640 480 31 50 60 00 NEG NEG YES YES YES YES 640 480 37 50 75 00 NEG NEG YES YES YES YES 640 480 37 86 72 81 NEG NEG YES YES YES YES 800 600...

Page 21: ...TV Color Monitor Thomson 32LM051B6 21 4 Mechanical Instructions Step Figure Description Preparation Lay the LCD TV on a flat soft and clean surface Remove the stand Remove the four screws to remove th...

Page 22: ...32 LCD TV Color Monitor Thomson 32LM051B6 22 Remove the back cover Remove the fourteen screws mark in red to remove the back cover Remove the shield 1 Remove the thirteen screws...

Page 23: ...M051B6 23 Remove the shield 2 Remove the eleven screws Remove the main board the tuner board and the power board 1 Remove the screws marked in red 2 Disconnect the connector and remove the tuner board...

Page 24: ...Thomson 32LM051B6 24 Remove the main frame Remove the screws and the wires to remove the main frame Remove the long BKT from the panel Remove the two BKT long from the panel Remove the front panel 1 R...

Page 25: ...TV Color Monitor Thomson 32LM051B6 25 Remove the front panel 1 Remove the five screws to remove the front panel Remove the BKT from the panel Remove the six screws to remove BKT from the panel The en...

Page 26: ...F901 BD901 D901 D902 NG Replace F901 or BD901 or D910 or D902 OK Check IC981 D928 12V Check IC901 Q901 NG Replace IC981or D928 Check Q924 IC924 ON OFF signal NG Replace Q924 or IC924 OK OK Check T951...

Page 27: ...to 5 1 Check 3 3V_SB Replace U701 OK NG Check PWR_ON signal OK NG Check Q704 Q705 Q706 Q709 NG Replace Q704 or Q705 or Q706 or Q709 Check U32 U21 NG Replace U32 or U21 Check I2 C communication OK Che...

Page 28: ...y LED indicator green Check the source OK Reset source NG Check LVDS cable NG Reset LVDS cable OK Check 24V power supply NG Return to 5 1 OK Check main board power supply OK Check U21 NG Replace U21 O...

Page 29: ...set source NG Check signal filter circuit NG Replace the filter or inductance OK NG RF signal Check TV system setup OK Check Tuner Replace Tuner AV SCART1 2_CVBS signal S video SCART2_Y C signal Check...

Page 30: ...the filter or inductance OK NG SIF signal Check TV system setup OK Check Tuner Replace Tuner AV AIR1 AIR2 PC signal Check Audio decoder MSP3410G U4 NG Replace U4 OK Check U63 U61 NG Replace U63 or U6...

Page 31: ...M051B6 31 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board Normally Replace Ke...

Page 32: ...attern1 on Chroma2225 Chroma7120 s lens must aim at the center of Pattern1 showed on the LCD TV s screen The distance of Chroma7120 s lens and the center of screen is 20cm 1cm ENTER FACTORY After orie...

Page 33: ...key on Chroma7120 to switch xyY mode Use black sleeve on Chroma7120 s lens to ensure no external ray Set Pattern104 on Chroma2225 Adjust SCALAR RB GB BB value to make sure the brightness is the lowes...

Page 34: ...32 LCD TV Color Monitor Thomson 32LM051B6 34 Fig 4 Fig 5 Fig 6...

Page 35: ...Change the input signal to 0 white level performance Firstly press the brightness from 50 to 0 and make sure the Y is not changed Secondly change the input signal to 32 GRAYS performance and make sure...

Page 36: ...ON LABEL 041T7880902 1A WARRANTY CARD 044T3121510506 SPONGE 044T3121510514 SPONGE 044T3A08 1 EPS 044T3A08 2 EPS 044T3A08 3 EPS 044T3A08 4 EPS 044T3A08 5 1A U TYPE SHEET FOR BASE 044T3A08902 1A CARTON...

Page 37: ...0Q1T 930 6128 SCREW T3X6 0Q1T1030 8128 SCREW 750TVMN0 B1 31 PANEL TV 32 B1 C4 CMO ADPF24180A4P ADAPTER ASS Y CBPF6T1BA4P CONVERSION BOARD HJPFA60A9P HEADPHONE JACK BOAED IOPF6QA1P IOBOARD IRPF6AA4P I...

Page 38: ...MURATA C904 065T306M1022BP Y1 CAP 001UF 250VAC MURATA C915 065T306M1022BP Y1 CAP 001UF 250VAC MURATA C970 065T306M2222BP Y1 CAP 0022UF 250V AC C907 067T 4018116N 105C KMQ180UF 20 420V C907 067T 40K18...

Page 39: ...D928 ASS Y 705L F94 57 04 Q901 Q941 D902 ASS Y 705L F94 61 01 R919 ASS Y 705L F94 87 02 CN901 ASS Y 705L F94 93 01 BD901 ASS Y AD24180A4SMTP ADAPTER FOR SMT DCPF1205A3P DC TO DC BOARD CN11 033T3278 12...

Page 40: ...7CL AV S 01 Y J5 088T 30239S PHONE JACK 1 1 BLACK J1 088T 35521A HC SCART CONN R A 21PIN J2 088T 35521A HC SCART CONN R A 21PIN X1 093T 22D60 BH CRYSTAL 18 432MHZ 12PF 49U T1 094TPASEALL 3P FQ1216ME I...

Page 41: ...R940 061V0805100 2F CHIP 10K OHM 1 8W 1 R931 061V0805102 CHIPR 1K OHM 5 1 8W R934 061V0805102 CHIPR 1K OHM 5 1 8W R909 061V0805103 CHIP 10K OHM 1 10W R910 061V0805103 CHIP 10K OHM 1 10W R965 061V0805...

Page 42: ...P 1000P 50VX7R 0805 C913 065T0805103 32 10NF 50V 0805 X7R C936 065T0805103 32 10NF 50V 0805 X7R C965 065T0805104 32 CHIP 0 1U 50V X7R C956 065T0805104 32 CHIP 0 1U 50V X7R C953 065T0805104 32 CHIP 0 1...

Page 43: ...LLDS ZD946 093T 39S 42 T RLZ27B LLDS D901 093T3060 10 ML35PT AD24180A4AIP ADAPTER FOR AI CN801 033T800913Z H PIN HEADER 1 13 R A C807 067T215B471 3N 105 470UF M 16V NCC C806 067T215B471 3N 105 470UF M...

Page 44: ...Q700 057T 763 3 AO4411L SO 8 BY AOS SMT V47 061T 47 1 VARISTOR EZJZ1V80010 V46 061T 47 1 VARISTOR EZJZ1V80010 V45 061T 47 1 VARISTOR EZJZ1V80010 V44 061T 47 1 VARISTOR EZJZ1V80010 V43 061T 47 1 VARIST...

Page 45: ...00 CHIPR 0OHM 5 1 10W R645 061V0603000 CHIPR 0OHM 5 1 10W R644 061V0603000 CHIPR 0OHM 5 1 10W R633 061V0603000 CHIPR 0OHM 5 1 10W R631 061V0603000 CHIPR 0OHM 5 1 10W R728 061V0603000 CHIPR 0OHM 5 1 10...

Page 46: ...1 10W R209 061V0603102 CHIPR 1K OHM 5 1 10W R219 061V0603102 CHIPR 1K OHM 5 1 10W R370 061V0603102 CHIPR 1K OHM 5 1 10W R404 061V0603102 CHIPR 1K OHM 5 1 10W R515 061V0603102 CHIPR 1K OHM 5 1 10W R516...

Page 47: ...CHIP 22KOHM 1 16W R721 061V0603223 CHIP 22KOHM 1 16W R719 061V0603223 CHIP 22KOHM 1 16W R718 061V0603223 CHIP 22KOHM 1 16W R637 061V0603243 CHIP 24K OHM 1 10W R627 061V0603243 CHIP 24K OHM 1 10W R611...

Page 48: ...T CHIPR 4 7KOHM 5 1 10W R342 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R217 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R218 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R302 061V0603472 RST CHIPR 4 7KOHM 5 1 10W R303...

Page 49: ...03101 32 CHIP 100PF 50V X7R C122 065T0603102 32 CHIP 1000PF 50V X7R C313 065T0603102 32 CHIP 1000PF 50V X7R C406 065T0603102 32 CHIP 1000PF 50V X7R C626 065T0603102 32 CHIP 1000PF 50V X7R C450 065T060...

Page 50: ...065T0603104 12 MLCC 0603 0 1UF K 16V X7R C444 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C452 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C455 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C298 065T0603104 12 M...

Page 51: ...4 12 MLCC 0603 0 1UF K 16V X7R C724 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C727 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C730 065T0603104 12 MLCC 0603 0 1UF K 16V X7R C278 065T0603104 12 MLCC 0603 0...

Page 52: ...0V X7R C621 065T0603104 32 CHIP 0 1UF 50V X7R C613 065T0603104 32 CHIP 0 1UF 50V X7R C601 065T0603104 32 CHIP 0 1UF 50V X7R C252 065T0603104 32 CHIP 0 1UF 50V X7R C251 065T0603104 32 CHIP 0 1UF 50V X7...

Page 53: ...PO C311 065T0603330 31 CHIP 33PF 50V NPO C219 065T0603330 31 CHIP 33PF 50V NPO C220 065T0603330 31 CHIP 33PF 50V NPO C645 065T0603333 32 CHIP 0 033UF 50V X7R R231 065T0603391 31 CHIP 390PF 50V NPO C10...

Page 54: ...C B C763 067T 312100 3 SMD EC 10UF 16V 85C B C415 067T 312100 3 SMD EC 10UF 16V 85C B C423 067T 312100 3 SMD EC 10UF 16V 85C B C440 067T 312100 3 SMD EC 10UF 16V 85C B C456 067T 312100 3 SMD EC 10UF 1...

Page 55: ...205 071T 56G151 A CHIOP BEAD 150 OHM FB204 071T 56G151 A CHIOP BEAD 150 OHM FB203 071T 56G151 A CHIOP BEAD 150 OHM FB202 071T 56G151 A CHIOP BEAD 150 OHM FB201 071T 56G151 A CHIOP BEAD 150 OHM FB200 0...

Page 56: ...232B FULL POWER D100 093T 60230 BAT54C BY MCC D40 093T 60230 BAT54C BY MCC D104 093T 60231 NO APP BAT54S SOT 23 D105 093T 60231 NO APP BAT54S SOT 23 D601 093T 64 42 P BAV70 SOT23 D101 093T 6432V LL414...

Page 57: ...OR 27V Panasonic V8 061T 47 1 2P RST CHIP VARISTOR 27V Panasonic V7 061T 47 1 2P RST CHIP VARISTOR 27V Panasonic V6 061T 47 1 2P RST CHIP VARISTOR 27V Panasonic V5 061T 47 1 2P RST CHIP VARISTOR 27V P...

Page 58: ...47K OHM 1 16W R86 061V0603473 CHIP 47K OHM 1 16W R58 061V0603473 CHIP 47K OHM 1 16W R57 061V0603473 CHIP 47K OHM 1 16W R4 061V0603473 CHIP 47K OHM 1 16W R3 061V0603473 CHIP 47K OHM 1 16W R65 061V06036...

Page 59: ...HIP 0 1UF 50V X7R C13 065T0603104 32 CHIP 0 1UF 50V X7R C132 065T0603104 32 CHIP 0 1UF 50V X7R C133 065T0603104 32 CHIP 0 1UF 50V X7R C20 065T0603104 32 CHIP 0 1UF 50V X7R C29 065T0603104 32 CHIP 0 1U...

Page 60: ...IP 2 2UF 16V Y5V C47 065T0805225 17 CHIP 2 2UF 16V Y5V C48 065T0805225 17 CHIP 2 2UF 16V Y5V C49 065T0805225 17 CHIP 2 2UF 16V Y5V C50 065T0805225 17 CHIP 2 2UF 16V Y5V C51 065T0805225 17 CHIP 2 2UF 1...

Page 61: ...HM L15 071T 56G151 A CHIOP BEAD 150 OHM L25 071T 56G151 A CHIOP BEAD 150 OHM L9 071T 56G151 A CHIOP BEAD 150 OHM L8 071T 56G151 A CHIOP BEAD 150 OHM L7 071T 56G151 A CHIOP BEAD 150 OHM L6 071T 56G151...

Page 62: ...FB1 071T 59B601 EA CHIP BEAD 600OHM 0603 TB1608 D1 081T 14 15 KB KAA 3528CGKSYKC 01 AOC SMA 715T1975 1 SM IR BOARD PCB CN1 033T8032 4C WAFER 1 25MM SMT 4P R5 061V0603000 CHIPR 0OHM 5 1 10W R4 061V0603...

Page 63: ...D J920 095T 90 23 TIN COATED J919 095T 90 23 TIN COATED J918 095T 90 23 TIN COATED J917 095T 90 23 TIN COATED J916 095T 90 23 TIN COATED J915 095T 90 23 TIN COATED J904 095T 90 23 TIN COATED J902 095T...

Page 64: ...07RT LOW E S R 470UF 20 50V C944 067T 2154707RT LOW E S R 470UF 20 50V C945 067T 2154707RT LOW E S R 470UF 20 50V IC801 056T 133 32 NS LM3485 Q801 057T 763 3 AO4411L SO 8 BY AOS SMT Q801 057T 763 4 RS...

Page 65: ...32 LCD TV Color Monitor Thomson 32LM051B6 65 8 PCB Layout 8 1 Main Board 715T1616 1...

Page 66: ...32 LCD TV Color Monitor Thomson 32LM051B6 66...

Page 67: ...32 LCD TV Color Monitor Thomson 32LM051B6 67 8 2 Power Board 715T1180 3...

Page 68: ...32 LCD TV Color Monitor Thomson 32LM051B6 68...

Page 69: ...32 LCD TV Color Monitor Thomson 32LM051B6 69...

Page 70: ...32 LCD TV Color Monitor Thomson 32LM051B6 70 8 3 Tuner Board 715T2170 1...

Page 71: ...32 LCD TV Color Monitor Thomson 32LM051B6 71 8 4 Key Board 715T1623 1 8 5 IR Board 715T1975 1 SM 8 6 DC DC Board 715T1278 4...

Page 72: ...32 LCD TV Color Monitor Thomson 32LM051B6 72 8 7 Headphone Board 715T1290 1 5...

Page 73: ...mory A29040BL EM6A9320BI 5MG DDR Power Board Built in Inverter 32 Panel DC Output AC 110 240 V SAA7117A Video Decoder Panasonic Selector AN15857A Sil9011 HDMI Video 24bits R G B SCART1 CVBS SCART2 CVB...

Page 74: ...32 LCD TV Color Monitor Thomson 32LM051B6 74 9 2 Power Board 32 TV Power Board...

Page 75: ...32 LCD TV Color Monitor Thomson 32LM051B6 75 10 Exploded View...

Page 76: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 31 32 25 26 27 28 29 DATA2 DATA2 DATA2 4_SHLD DATA4 DATA4 DDC_CLK DDC_DATA A_VSYNC DATA1 DATA1 DATA1 3_SHLD DATA3 DATA3 5V GND H_PLUG_DET...

Page 77: ...0 Q14 PMBS3906 1 2 3 R115 NC Detect_VGAHS 6 VGA_VS 5V_SB CVBS1 4 ZD11 MLL752A R123 NC R103 75 SD1 6 7 12 COMP_B 4 R108 NC SC1_FB 4 VGA_SCL_IN SAAC 8 C102 10uF 16V FB10 150 OHM 1 2 FB11 150 OHM 1 2 PC...

Page 78: ...41 179 171 161 153 136 134 124 119 103 95 85 77 173 169 155 151 132 129 121 116 105 101 87 83 81 80 13 12 15 16 14 203 202 201 200 197 196 195 194 216 217 218 219 220 18 17 98 99 157 158 176 175 190 1...

Page 79: ...2 CLK_2EX R234 NC PAVSS2 P_26 DIN23 DIN8 PAVSS1 56T126 10 C299 0 1uF VD1_8 COMP_R 2 P_41 C267 0 1uF C217 0 1uF C255 0 1uF Power saving VD1_8 COMP_Y 2 TXOUT0 DIN2 PAVSS2 VD1_8 C231 0 1uF PR_R1 TXOUT3...

Page 80: ...SQ VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS RFU2 RFU3 A11 NC_B3 NC_G3 NC_L2 NC_M2 NC_L3 NC_K11 NC_K12 NC_G10 NC_B10 VDD VDD VDD VDD VDD VDD VDD VDD DDQS2...

Page 81: ...7 AN0_7 P10_0 AN0 P10_2 AN2 P10_3 AN3 P10_4 AN4 P10_5 AN5 P10_6 AN6 P10_7 AN7 P0_0 AN0_0 Avss P10_1 AN1 Vref Avcc P9_7 ADTRG P9_6 P9_5 Vss VGAHS 2 12 A17 R364 10K 1 16W C302 0 01uF AD0 FUN_1 2 8 AD3 A...

Page 82: ...N RXC RXC RX0 RX0 RX1 RX1 RX2 RX2 AVCC AVCC AVCC AVCC AGND AGND AGND AGND PVCC PGND DVCC DVCC2 DGND DGND2 XTALVCC REGVCC DSCL DSDA INT PWR5V VCC VCC VCC VCC VCC VCC GND GND GND GND GND GND NC CSCL CSD...

Page 83: ...I33 AI34 AI3D AI41 AI42 AI43 AI44 AI4D FSW CE ITRI XTRI SCL SDA XTALI XTAL XTOUT RES1 RES2 RES3 RES4 RES5 RES6 RES7 RES8 RES10 RES11 RES12 TEST0 TEST1 TEST2 TEST3 TEST4 TEST5 FUN_2 2 6 AI21 C511 0 022...

Page 84: ...4 47K 5V_A C649 0 01uF C620 0 01uF R625 10K 1 16W R619 100 R645 100 C614 0 01uF L614 300 OHM IN_R R602 10K 1 16W C623 2 2uF 16V C637 470pF C643 470pF C652 0 01uF C634 47uF 16V 12V PRE_L C644 2 2uF 16V...

Page 85: ...R730 7 5K R720 3K 1 10W 12V C745 0 1uF C746 0 1uF 1 3 4 5 L717 L 5VSW R728 0 1 16W 3 3V_SB L700 300 OHM C758 0 1uF 1 12VP Q704 PMBS3904 C748 47uF 16V 3 PVDD 4 5V_SB 1 5V_A C756 0 1uF 715T1616 1 Q708 P...

Page 86: ...37 0 1uF L708 300 OHM L705 300 OHM 1 8V Power for SAA7117A ANALOG 3 3V Power for SAA7117A C741 0 1uF 2 5V AME8815BE 250Z L720 300 OHM U708 3 2 1 4 VI VO GND 4 C729 22uF 16V C762 10uF 16V VR1_8 C740 10...

Page 87: ...O4 PSW GPIO3 HS GPIO2 VS GPIO1 IR GPIO0 GND PD GPIO11 DAT GPIO10 CK GPIO9 715T1616 1 R701 100 1 16W C701 0 01uF C703 0 1uF VGAHS 2 6 R707 100 1 16W R703 100 1 16W R702 100 1 16W Option SC1 2 6 7 C702...

Page 88: ...32 LCD TV Color Monitor Thomson 32LM051B6 88 11 2 Power Board 715T1180 3...

Page 89: ...32 LCD TV Color Monitor Thomson 32LM051B6 89...

Page 90: ...32 LCD TV Color Monitor Thomson 32LM051B6 90 11 3 Tuner Board 715T2170 1...

Page 91: ...32 LCD TV Color Monitor Thomson 32LM051B6 91...

Page 92: ...32 LCD TV Color Monitor Thomson 32LM051B6 92...

Page 93: ...R4 1K 1 16W Pin1 5V S1 S7 77L 604 2 TO 0 6V S5 VOL_Down 0V Key_AD S6 VOL_Up 3 1V R7 6 8K 1 16W L2 150 OHM CN1 1 2 3 4 S4 POWER R6 3 3K 1 16W 1 65V S7 MODE_Sel S2 CH_Down 2 6V L1 150 OHM R8 22K 1 16W...

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